Display panel and display device

Abstract

The present disclosure relates to the technical field of display, and in particular to a display panel and a display device. The display panel comprises: an array substrate, the array substrate comprising: a substrate; a plurality of scanning lines, a plurality of data lines and a plurality of touch control lines; a plurality of touch control electrodes located on one side of the substrate, the touch control electrodes being electrically connected with the touch control lines in a corresponding manner, the touch control electrodes comprising a plurality of first sub-parts connected with each other, the first sub-parts corresponding to a pixel area; in at least part of the touch control electrodes, at least one group of two first sub-parts adjacent in a first direction is provided with a first connecting part, the first connecting part extending in a second direction, in a direction perpendicular to a plane in which the substrate is located, the first connecting part partially overlapping with one of the plurality of touch control lines; a length of the first connecting part in the second direction is L1, and a length of the pixel area in the second direction is L2, wherein L1≥0.8×L2. The present disclosure can improve the problem of display crosstalk and improve the display effect.

Description

Technical Field

[0001] This disclosure relates to the field of display technology, and more particularly to a display panel and a display device. Background Technology

[0002] With the development of in-cell touch display technology, the technique of reusing common electrodes as touch electrodes has been widely adopted. In such display panels, the touch electrodes are divided into multiple blocks, each connected to the driver chip via a corresponding touch line. To reduce the load on the touch electrodes, the interior of the touch electrodes is typically hollowed out or slit, especially in the area corresponding to the touch line. The common electrode bridging portion between adjacent pixel areas is designed as a small block to reduce the area of ​​the common electrode.

[0003] However, this small-block bridging design can easily lead to the common electrode bridging block failing to completely cover the underlying metal traces, such as data lines or touch lines themselves. When the common electrode does not adequately shield the underlying metal, the signals on the underlying metal can cause electric field disturbances to the pixel electrodes above, thus worsening the display crosstalk problem and affecting the display effect. Summary of the Invention

[0004] In order to solve the above-mentioned technical problems, or at least partially solve the above-mentioned technical problems, this disclosure provides a display panel and a display device that can improve the display crosstalk problem and improve the display effect.

[0005] In a first aspect, this disclosure provides a display panel, comprising: an array substrate, the array substrate including: a substrate; a plurality of scan lines, a plurality of data lines, and a plurality of touch lines located on one side of the substrate, wherein the plurality of scan lines extend along a first direction and are arranged along a second direction, the plurality of data lines extend along the second direction and are arranged along the first direction, and the plurality of touch lines extend along the second direction and are arranged along the first direction, the plurality of scan lines and the plurality of data lines are insulated from each other and intersect to define a plurality of pixel regions, wherein the first direction and the second direction intersect; and a plurality of touch electrodes located on one side of the substrate, the touch electrodes being electrically connected to corresponding touch lines, and the touch electrodes being electrically connected to touch lines. The electrode includes multiple connected first sub-parts, each corresponding to a pixel region. In the direction perpendicular to the plane of the substrate, the first sub-parts and their corresponding pixel regions at least partially overlap. In at least some of the touch electrodes, at least one set of two adjacent first sub-parts along a first direction is provided with a first connecting portion. The first connecting portion extends along a second direction, and in the direction perpendicular to the plane of the substrate, the first connecting portion partially overlaps with one of the multiple touch lines. The length of the first connecting portion along the second direction is L1, and the length of the pixel region along the second direction is L2, wherein L1 ≥ 0.8 × L2.

[0006] Based on the same inventive concept, in a second aspect, this disclosure provides a display device including the aforementioned display panel.

[0007] The technical solution provided in this disclosure has the following advantages compared with the prior art: In the display panel provided in this disclosure, at least some of the touch electrodes have a first connecting portion disposed between at least one group of two adjacent first sub-parts along a first direction. The first connecting portion extends along a second direction, i.e., the first connecting portion is an elongated strip structure extending along the second direction. In the direction perpendicular to the plane of the substrate, the first connecting portion overlaps with a portion of one of the multiple touch lines, i.e., the first connecting portion is located at a position corresponding to the position of the touch line. At the same time, in the direction perpendicular to the plane of the substrate, the first connecting portion overlaps with a data line portion adjacent to or overlapping with the touch line. The length of the first connecting portion along the second direction is L1, and the length of the pixel area along the second direction is L2, wherein L1 ≥ 0.8 × L2, i.e., the length of the first connecting portion along the second direction is limited to not less than 0.8 times the length of the pixel area along the second direction. This allows the first connecting portion to occupy most of the span of the pixel area in the extension direction of the touch line, and may even extend to the entire length of the pixel area or span multiple pixel areas. That is, the planar area of ​​the first connecting portion is much larger than the planar area of ​​a conventional small-block bridging. The first connection part increases the planar area of ​​the touch electrode, which can provide more comprehensive coverage of the metal traces such as data lines in the area below or adjacent to the touch line. This effectively blocks the electric field coupling of the rapidly changing electrical signals on the data line to the pixel electrode, thereby reducing the display crosstalk caused by electric field disturbance and improving the display effect.

[0008] Correspondingly, the display device provided in this disclosure also has the above-mentioned technical effects. Attached Figure Description

[0009] The accompanying drawings, which are incorporated in and form a part of this specification, illustrate embodiments consistent with this disclosure and, together with the description, serve to explain the principles of this disclosure.

[0010] To more clearly illustrate the technical solutions in the embodiments of this disclosure or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, those skilled in the art can obtain other drawings based on these drawings without creative effort.

[0011] Figure 1 This is a plan view of a display panel provided in this disclosure; Figure 2 yes Figure 1 An enlarged schematic diagram of part A in the aforementioned display panel; Figure 3 yes Figure 2 A cross-sectional view of the display panel along B-B'; Figure 4 yes Figure 1 Another enlarged view of part A in the aforementioned display panel; Figure 5 This is a plan view of another display panel provided in this disclosure; Figure 6 This is a plan view of yet another display panel provided in this disclosure; Figure 7 This is a plan view of yet another display panel provided in this disclosure; Figure 8 yes Figure 7 An enlarged schematic diagram of part E in the aforementioned display panel; Figure 9 yes Figure 8 A cross-sectional view of the display panel along F-F'; Figure 10 yes Figure 8 A cross-sectional view of the display panel along H-H'; Figure 11 yes Figure 3 A cross-sectional view of the display panel along line I-I'; Figure 12 yes Figure 1 Another enlarged schematic diagram of part A in the aforementioned display panel; Figure 13 This is a plan view of yet another display panel provided in this disclosure; Figure 14 yes Figure 13 An enlarged schematic diagram of section J in the aforementioned display panel; Figure 15 yes Figure 14 A cross-sectional view of the display panel along K-K'; Figure 16 This is a plan view of yet another display panel provided in this disclosure; Figure 17 This is a plan view of yet another display panel provided in this disclosure; Figure 18 This is a plan view of yet another display panel provided in this disclosure; Figure 19 yes Figure 17 An enlarged schematic diagram of section M in the aforementioned display panel; Figure 20 This is a plan view of yet another display panel provided in this disclosure; Figure 21 yes Figure 20 An enlarged schematic diagram of N parts in the aforementioned display panel; Figure 22 yes Figure 21A cross-sectional view of the display panel along Q-Q'; Figure 23 This is a plan view of a display device provided in this disclosure. Detailed Implementation

[0012] To better understand the above-mentioned objectives, features, and advantages of this disclosure, the solutions disclosed herein will be further described below. It should be noted that, unless otherwise specified, the embodiments and features described herein can be combined with each other.

[0013] Numerous specific details are set forth in the following description in order to provide a full understanding of this disclosure, but this disclosure may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only some, and not all, of the embodiments of this disclosure.

[0014] Figure 1 This is a plan view of a display panel provided in this disclosure. Figure 2 yes Figure 1 An enlarged schematic diagram of part A in the aforementioned display panel. Figure 3 yes Figure 2 The cross-sectional view of the display panel along B-B' is shown in the reference diagram. Figures 1-3 This disclosure provides a display panel, which includes an array substrate 10, the array substrate 10 including: Substrate 11; Multiple scan lines G, multiple data lines D, and multiple touch lines TP are located on one side of substrate 11. The multiple scan lines G extend along a first direction X and are arranged along a second direction Y. The multiple data lines D extend along the second direction Y and are arranged along the first direction X. The multiple touch lines TP extend along the second direction Y and are arranged along the first direction X. The multiple scan lines G and multiple data lines D intersect and define multiple pixel regions 20, wherein the first direction X and the second direction Y intersect. Multiple touch electrodes 12 are located on one side of the substrate 11. The touch electrodes 12 are electrically connected to the touch line TP. The touch electrodes 12 include multiple connected first sub-parts 121. The first sub-parts 121 correspond to the pixel area 20. In the direction perpendicular to the plane of the substrate 11, the first sub-parts 121 and their corresponding pixel areas 20 at least partially overlap. In at least some of the touch electrodes 12, a first connection portion 122 is provided between at least one group of two adjacent first sub-parts 121 along the first direction X. The first connection portion 122 extends along the second direction Y. In the direction perpendicular to the plane of the substrate 11, the first connection portion 122 overlaps with one of the multiple touch lines TP. The length of the first connecting portion 122 along the second direction Y is L1, and the length of the pixel region 20 along the second direction Y is L2, wherein L1 ≥ 0.8 × L2.

[0015] Specifically, the display panel provided in this embodiment can be a liquid crystal display panel, which includes an array substrate 10 and a color filter substrate 30 disposed opposite to each other. Optionally, the color filter substrate 30 includes a light-shielding structure 31 and a color resist 32, and the color resist 32 can be located within a plurality of openings formed in the light-shielding structure 31. A liquid crystal layer 40 is disposed between the array substrate 10 and the color filter substrate 30, and the liquid crystal layer 40 includes liquid crystal molecules.

[0016] The array substrate 10 includes a substrate 11, and multiple scan lines G, multiple data lines D, and multiple touch lines TP located on one side of the substrate 11. The multiple scan lines G extend along a first direction X and are arranged along a second direction Y. The multiple data lines D extend along the second direction Y and are arranged along the first direction X. The multiple touch lines TP extend along the second direction Y and are arranged along the first direction X. The multiple scan lines G and multiple data lines D intersect in an insulating manner to define multiple pixel regions 20, wherein the first direction X and the second direction Y intersect. Optionally, the first direction X and the second direction Y are perpendicular to each other. Figure 1 The schematic scan line G extends along the first direction X, and the data line D extends along the second direction Y. Taking the first direction X and the second direction Y as perpendicular to each other, the pixel area 20 defined by the mutual insulation and intersection of the scan line G and the data line D can be understood as a block-shaped area.

[0017] The display panel provided in this embodiment can be a touch display panel, that is, the display panel integrates touch and display functions to control and adjust the display panel according to the user's touch operation. The array substrate 10 also includes a plurality of touch electrodes 12 located on one side of the substrate 11, and the touch electrodes 12 are electrically connected to touch lines TP. Optionally, the touch electrodes 12 and their corresponding touch lines TP can be electrically connected through vias. Control signals can be transmitted to the touch electrodes 12 electrically connected to them through the touch lines TP to realize the touch detection function. The touch electrodes 12 can be formed of transparent conductive materials, such as ITO (Indium Tin Oxides, transparent conductive film of indium tin oxide semiconductor), etc., which is not limited in this embodiment. The overall shape of the touch electrode 12 can be close to a block structure. It is understood that the area of ​​the block structure of the touch electrode 12 can be larger than the area of ​​a single pixel area 20, that is, one touch electrode 12 can correspond to multiple pixel areas 20. When the display panel performs touch detection, a detection capacitor is formed between the block-shaped touch electrode 12 and the common ground. When a touch subject, such as a finger, touches the display panel, the capacitance formed between the finger and the capacitor is superimposed on the touch electrode 12, thereby forming the coordinates of the touch point and completing the detection of the touch position. It is understood that this embodiment does not elaborate on the touch detection principle of the display panel. In specific implementation, the touch principle of embedded touch display panels in related technologies can be referred to for understanding.

[0018] A touch electrode 12 may correspond to a plurality of pixel regions 20. Accordingly, the touch electrode 12 includes a plurality of connected first sub-parts 121, each of which corresponds to a pixel region 20. The vertical projection of the first sub-part 121 onto the substrate 11 and the vertical projection of the corresponding pixel region 20 onto the substrate 11 at least partially overlap.

[0019] In at least some of the touch electrodes 12, a first connecting portion 122 is provided between at least one group of two adjacent first sub-parts 121 along the first direction X. The first connecting portion 122 extends along the second direction Y, that is, the first connecting portion 122 is an elongated structure extending along the second direction Y. In the direction perpendicular to the plane of the substrate 11, the first connecting portion 122 overlaps with a portion of one of the multiple touch lines TP, that is, the first connecting portion 122 is located at a position corresponding to the position of the touch line TP. At the same time, in the direction perpendicular to the plane of the substrate 11, the first connecting portion 122 overlaps with a portion of the data line D that is adjacent to or overlaps with the touch line TP. The length of the first connecting portion 122 along the second direction Y is L1, and the length of the pixel region 20 along the second direction Y is L2, where L1 ≥ 0.8 × L2. That is, the length of the first connecting portion 122 along the second direction Y is limited to not less than 0.8 times the length of the pixel region 20 along the second direction Y. This allows the first connecting portion 122 to occupy most of the span of the pixel region 20 in the extension direction of the touch line TP, and it can even extend to the entire length of the pixel region 20 or span multiple pixel regions 20. In other words, the planar area of ​​the first connecting portion 122 is much larger than the planar area of ​​a conventional small-block bridging. The setting of the first connecting portion 122 increases the planar area of ​​the touch electrode 12, which can form a more comprehensive coverage of the metal traces such as the data line D in the area below or adjacent to the area where the touch line TP is located. This effectively blocks the electric field coupling of the rapidly changing electrical signal on the data line D to the pixel electrode, thereby reducing the display crosstalk phenomenon caused by electric field disturbance and improving the display effect.

[0020] Figure 4 yes Figure 1 Another enlarged schematic diagram of part A in the aforementioned display panel. It should be noted that... Figure 2 To clearly illustrate the structure of each component in the array substrate, the entire structure of the color filter substrate is not shown. (Reference) Figures 1-4Optionally, the display panel includes an array substrate 10 and a color filter substrate 30 arranged opposite to each other. A light-shielding structure 31 is provided on the color filter substrate 30. This light-shielding structure 31 is typically a black matrix, used to block stray light from non-opening areas and separate pixels to prevent color mixing. An opening 311 is formed on the light-shielding structure 31, and the position of the opening 311 corresponds one-to-one with the pixel electrode PX. In the direction perpendicular to the plane of the substrate 11, the opening 311 at least partially overlaps with the corresponding pixel electrode PX. This means that the effective light-transmitting area of ​​the pixel region 20 falls exactly within the range of the opening 311, i.e., the opening 311 defines the actual display window of each pixel region 20. The length L1 of the first connecting portion 122 along the second direction Y is at least greater than the length L3 of the opening 311 along the second direction Y. This ensures that the first connecting portion 122 occupies at least the span of the effective light-transmitting area in the pixel region 20 in the extension direction of the touch line TP, i.e., the planar area of ​​the first connecting portion 122 is much larger than the planar area of ​​a conventional small-block bridging. The first connecting part 122 increases the planar area of ​​the touch electrode 12, which can form a more comprehensive coverage of the metal traces such as the data line D in the area below or adjacent to the area where the touch line TP is located. This effectively blocks the electric field coupling of the rapidly changing electrical signal on the data line D to the pixel electrode, thereby reducing the display crosstalk caused by electric field disturbance and improving the display effect.

[0021] It is understood that in the same touch electrode 12, there may be two adjacent columns of first sub-parts 121 arranged along the second direction Y. There may be a group of two adjacent first sub-parts 121 arranged along the first direction X with a first connection portion 122 provided between them. There may also be multiple groups of two adjacent first sub-parts 121 arranged along the first direction X with a first connection portion 122 provided between them. Thus, the vertical projection of the multiple first connection portions 122 on the substrate 11 at least partially overlaps with the vertical projection of the same touch line TP on the substrate 11. Figure 1 The example shows that in the same touch electrode 12, in two adjacent columns of first sub-parts 121 arranged along the second direction Y, a first connecting portion 122 is provided between each group of two adjacent first sub-parts 121 along the first direction X. In other embodiments of this disclosure, in the same touch electrode 12, in two adjacent columns of first sub-parts 121 arranged along the second direction Y, only some groups of two adjacent first sub-parts 121 along the first direction X may be provided with a first connecting portion 122. This disclosure will not elaborate further here.

[0022] It should be noted that, Figure 1 The example illustrates that in the same touch electrode 12, in two adjacent columns of first sub-parts 121 arranged along the second direction Y, the first connecting portions 122 disposed between two adjacent first sub-parts 121 in different groups along the first direction X can be disposed separately. For example, Figure 1The first connecting portion 122a and the first connecting portion 122b can be separately provided. In other embodiments of this disclosure, in the same touch electrode 12, in two adjacent columns of first sub-parts 121 arranged along the second direction Y, the first connecting portions 122 provided between two adjacent first sub-parts 121 in different groups along the first direction X can be interconnected and regarded as the same first connecting portion 122. That is, the first connecting portion 122 can span multiple pixel regions 20. For example, refer to Figure 5 , Figure 5 This is a planar schematic diagram of another display panel provided in this disclosure. In the same touch electrode 12, in the two adjacent columns of first sub-parts 121 arranged along the second direction Y, a first connecting part 122 is provided between each group of two adjacent first sub-parts 121 along the first direction X. At this time, the length of the first connecting part 122 along the second direction Y is similar to the length of the touch electrode 12 along the second direction Y. This disclosure will not elaborate further here.

[0023] It should be noted that, Figure 1 and Figure 2 The example shown depicts a data line D and multiple touch lines TP as straight lines, all extending along the second direction Y. In other embodiments of this disclosure, the geometry of the data line D and touch lines TP is not limited to strictly straight lines, but can be adapted to the shape of the pixel electrode and designed as a bent shape to tend to extend along the second direction Y. Specifically, in high-resolution display panels or those with special electrode structures, the pixel electrode is often not a simple rectangular block, but may have a specific edge contour with a multi-domain structure, such as edges with bends, serrations, or branches. To match these complex pixel electrode shapes, the routing paths of the data line D and touch lines TP can also be bent to maintain a constant spacing or specific overlap relationship with the edge of the pixel electrode. In this case, the extension shape of the first connection portion 122 can match the extension shape of the touch line TP, which will not be described in detail here.

[0024] Continue to refer to Figures 1-3 In some optional embodiments, in the same touch electrode 12, at least one set of two adjacent first sub-parts 121 along the first direction X are provided with a first connecting part 122, and at least one set of two adjacent first sub-parts 121 along the first direction X are provided with a slit 123, the slit 123 extending along the second direction Y.

[0025] Specifically, in the same touch electrode 12, at least one set of two adjacent first sub-parts 121 along the first direction X are provided with a first connecting part 122. The first connecting part 122 is an elongated strip structure extending along the second direction Y, and at least one set of two adjacent first sub-parts 121 along the first direction X are provided with a slit 123. The slit 123 is a hollow area formed after etching away the conductive material between two adjacent first sub-parts 121. The slit 123 extends in a strip shape along the second direction Y, so that the two adjacent first sub-parts 121 can be connected by small bridging. That is, by providing the first connecting part 122 in the area that needs to be reinforced with shielding (such as the area corresponding to the touch line TP or the area that is easily disturbed by the data line D), the large area coverage of the solid electrode can block the electric field interference of the underlying metal to the pixel electrode, thereby improving display crosstalk; at the same time, by opening the slit 123 in the area with relatively low shielding requirements or load sensitivity, part of the planar area of ​​the touch electrode 12 is removed, effectively reducing the overall area of ​​the touch electrode 12, reducing the touch load, and improving touch accuracy. This avoids the excessive load caused by the first connecting part 122 between two adjacent first sub-parts 121 along the first direction X in each group of touch electrodes 12, or the shielding failure caused by the slit 123 between two adjacent first sub-parts 121 along the first direction X in each group, so that the two conflicting requirements can be met in the same electrode.

[0026] It is understandable that the presence of both the first connection portion 122 and the slit 123 within the same touch electrode 12 means that the designer can flexibly adjust the bridging method of each area in the touch electrode 12 according to the pixel arrangement, wiring density and touch specifications of the actual product. The specific settings can be made according to actual needs, and will not be elaborated on in this disclosure.

[0027] Continue to refer to Figures 1-3 In some optional embodiments, at least some of the touch electrodes 12 have a first connection portion 122 provided between at least one set of two adjacent first sub-parts 121 along the first direction X. The touch line TP electrically connected to the touch electrode 12 is a first touch line TP1. In the direction perpendicular to the plane of the substrate 11, the first connection portion 122 overlaps with one part of the first touch line TP1.

[0028] Specifically, in a display panel, each touch line TP is electrically connected to a specific touch electrode 12 for transmitting touch signals from that touch electrode 12. Here, the touch line TP electrically connected to the current touch electrode 12 is defined as the first touch line TP1. In at least a portion of the touch electrodes 12, a first connecting portion 122 is provided between two adjacent first sub-parts 121 along the first direction X. In a direction perpendicular to the plane of the substrate 11, the first connecting portion 122 is configured to partially overlap with one of the multiple first touch lines TP1. This means that the spatial position of the first connecting portion 122 exactly covers a touch line TP1 electrically connected to this touch electrode 12. The first connecting portion 122 not only serves as a bridging structure between adjacent first sub-parts 121, but also overlaps with the signal traces of the touch electrode 12 itself in a direction perpendicular to the plane of the substrate 11. When the first connecting portion 122 overlaps with the first touch line TP1 in a direction perpendicular to the plane of the substrate 11, a direct electrical connection between the touch electrode 12 and the first touch line TP1 can be achieved by opening a via in the overlapping area. The elongated design of the first connecting portion 122 extending along the second direction Y provides sufficient space for opening vias, facilitating the arrangement of one or more connection vias on the bridging structure, reducing contact resistance, and improving the stability and reliability of touch signal transmission.

[0029] Figure 6 This is a plan view of yet another display panel provided in this disclosure, for reference. Figure 6 In some optional embodiments, at least some of the touch electrodes 12 have a first connecting portion 122 provided between at least one set of two adjacent first sub-parts 121 along the first direction X. The touch line TP that is insulated from the touch electrode 12 is a second touch line TP2. In the direction perpendicular to the plane of the substrate 11, the first connecting portion 122 overlaps with one part of the second touch line TP2.

[0030] Specifically, in the display panel, multiple touch lines TP are connected to different touch electrodes 12. A touch line TP that is electrically insulated from the current touch electrode 12 is defined as a second touch line TP2. In at least some of the touch electrodes 12, a first connection portion 122 is provided between two adjacent first sub-parts 121 along the first direction X. In a direction perpendicular to the plane of the substrate 11, this first connection portion 122 is configured to partially overlap with one of the multiple second touch lines TP2. This means that the spatial location of the first connection portion 122 covers a touch trace TP electrically connected to other touch electrodes 12, and this touch trace TP is electrically isolated from the current touch electrode 12.

[0031] Although the second touch line TP2 is not electrically connected to the current touch electrode 12, its physical path still crosses the area covered by the current touch electrode 12. Signal traces such as data lines D also exist below or around the second touch line TP2, which may also cause electric field disturbances to the pixel electrodes. By placing the first connecting portion 122 directly above and partially overlapping the second touch line TP2, the conductive material of the current touch electrode 12 can cover the area where the second touch line TP2 is located, providing effective shielding for the second touch line TP2 and adjacent data lines D that cross this area. This blocks signal crosstalk paths between different areas, thereby improving display quality at the overall panel level.

[0032] Continue to refer to Figures 1-3 In some alternative embodiments, the data line D and the touch line TP are located in the same film layer; In at least some of the touch electrodes 12, at least one set of two adjacent first sub-parts 121 along the first direction X are provided with a slit 123, and in the direction perpendicular to the plane of the substrate 11, the slit 123 overlaps with one of the multiple touch lines TP.

[0033] Specifically, the data line D and the touch line TP are located in the same film layer, meaning that the data line D and the touch line TP can be made from the same material in the same process, which helps to reduce the number of processes and reduce production costs.

[0034] Within the same touch electrode 12, there is at least one set of two adjacent first sub-parts 121 along the first direction X. These sub-parts are not bridged by a solid conductive first connection 122, but rather by a slit 123. This slit 123 is a hollow structure formed by etching away the conductive material in that area, and its overall shape extends along the second direction Y. In a direction perpendicular to the plane of the substrate 11, the slit 123 is configured to partially overlap with one of the multiple touch lines TP. That is, the opening of the slit 123 exactly covers the space above one touch line TP. This allows for the removal of a portion of the planar area of ​​the touch electrode 12, effectively reducing the overall area of ​​the touch electrode 12 and lowering the touch load.

[0035] Continue to refer to Figures 1-3 In some alternative embodiments, the slit 123 does not overlap with any of the multiple data lines D in the direction perpendicular to the plane of the substrate 11.

[0036] Specifically, in the structure of the array substrate 10, multiple data lines D extend along the second direction Y and are arranged along the first direction X, serving to transmit data signals to the pixel electrodes in each pixel region 20. In at least one touch electrode 12, a slit 123 can be formed between two adjacent first sub-parts 121 along the first direction X. This slit 123 extends along the second direction Y, forming a hollow area after the conductive material is removed. This allows for the removal of part of the planar area of ​​the touch electrode 12, effectively reducing the overall area of ​​the touch electrode 12 and lowering the touch load.

[0037] In the direction perpendicular to the plane of substrate 11, the slit 123 does not overlap with any of the multiple data lines D. In other words, the location of the slit 123 completely avoids the area where all data lines D are located on the vertical projection of substrate 11. This means that, from a layout design perspective, the slit 123 is only located in the area corresponding to the touch line TP, and the cutout area does not extend to the area where the data lines D are located. This maximizes the shielding effect of the touch electrode 12 on the data lines D. The display signal voltage transmitted on the data lines D changes frequently and with large amplitude, which is the main source of interference causing pixel electrode electric field disturbance and display crosstalk. In the direction perpendicular to the plane of substrate 11, the slit 123 does not overlap with any of the multiple data lines D, thus ensuring that each data line D is completely covered with conductive material, avoiding the partial exposure of data lines D due to the slit 123, effectively reducing the coupling interference of data signals to the pixel electrodes, and improving the display effect.

[0038] Meanwhile, in the direction of the plane where the substrate 11 is located, the slit 123 does not overlap with any of the multiple data lines D. The setting of the slit 123 can avoid the area corresponding to the data line D, so that the area corresponding to the data line D is set with a continuous planar area of ​​the touch electrode 12, which is beneficial to reduce the electric field at the electrode edge and improve the display effect.

[0039] Figure 7 This is a plan view of yet another display panel provided in this disclosure. Figure 8 yes Figure 7 An enlarged schematic diagram of part E in the aforementioned display panel. Figure 9 yes Figure 8 The display panel is shown in a cross-sectional view along F-F'. Figure 10 yes Figure 8 The cross-sectional view of the display panel along H-H' is shown in the reference diagram. Figures 7-10 In some optional embodiments, the multiple data lines D include multiple first data lines D1 and multiple second data lines D2; The touch line TP is located on the side of the data line D away from the substrate 11. In the direction perpendicular to the plane of the substrate 11, the touch line TP corresponds one-to-one with the first data line D1 and partially overlaps with it. The touch line TP does not overlap with any of the multiple second data lines D2. In at least some of the touch electrodes 12, at least one set of two adjacent first sub-parts 121 along the first direction X are provided with a slit 123, and in the direction perpendicular to the plane of the substrate 11, the slit 123 overlaps with one of the plurality of second data lines D2.

[0040] Specifically, the touch line TP is located on the side of the data line D away from the substrate 11, meaning the touch line TP is located on a different film layer than the data line D. In the array substrate 10, the multiple data lines D include multiple first data lines D1 and multiple second data lines D2. Specifically, in the direction perpendicular to the plane of the substrate 11, the touch line TP corresponds one-to-one with the first data lines D1 and partially overlaps. That is, each touch line TP corresponds to one first data line D1, and the vertical projection of the touch line TP onto the substrate 11 and the vertical projection of its corresponding first data line D1 onto the substrate 11 partially overlap, meaning the touch line TP can be located in the area corresponding to the first data line D1. Rapidly changing electrical signals on the first data line D1 are first coupled to the overlapping touch line TP, and then coupled to the pixel electrode through the touch line TP. In at least some of the touch electrodes 12, at least one set of two adjacent first sub-parts 121 along the first direction X are provided with a first connecting part 122. In the direction perpendicular to the plane of the substrate 11, the first connecting part 122 overlaps with one of the multiple first data lines D1. That is, the first connecting part 122 is provided at the corresponding position of the first data line D1. The provision of the first connecting part 122 increases the planar area of ​​the touch electrode 12, which can form a more comprehensive coverage of the metal traces such as the first data line D1 below the area where the touch line TP is located. This effectively blocks the electric field coupling of the rapidly changing electrical signal on the first data line D1 to the pixel electrode, as well as the secondary electric field coupling of the rapidly changing electrical signal on the first data line D1 to the pixel electrode through the touch line TP. This reduces the display crosstalk phenomenon caused by electric field disturbance and improves the display effect.

[0041] In the direction perpendicular to the plane of the substrate 11, the touch line TP does not overlap with any of the multiple second data lines D2. That is, the rapidly changing electrical signals on the second data lines D2 will not be secondary coupled to the pixel electrode through the touch line TP. In other words, the coupling effect of the second data lines D2 on the pixel electrode is relatively low. Therefore, a slit 123 can be provided between at least one set of two adjacent first sub-parts 121 along the first direction X in at least a portion of the touch electrodes 12. In the direction perpendicular to the plane of the substrate 11, the slit 123 partially overlaps with one of the multiple second data lines D2. That is, the slit 123 can be provided at the corresponding location of the second data line D2, removing part of the planar area of ​​the touch electrode 12, effectively reducing the overall area of ​​the touch electrode 12, reducing the touch load, and improving touch accuracy.

[0042] This avoids the excessive load caused by the presence of a first connecting portion 121 between two adjacent first sub-parts 121 along the first direction X in each group of touch electrodes 12, or the shielding failure caused by the presence of a slit 123 between two adjacent first sub-parts 121 along the first direction X in each group. This allows both conflicting requirements to be met within the same electrode. Furthermore, placing the first connecting portion 122 at the corresponding location of the first data line D1, which has a significant coupling effect on the pixel electrode, i.e., at the corresponding location of the touch line TP, further reduces display crosstalk caused by electric field disturbances, thus improving the display effect.

[0043] Continue to refer to Figures 7-10 In some optional embodiments, the array substrate 10 further includes multiple dummy touch lines TP', the dummy touch lines TP' and touch lines TP are located in the same film layer, and one dummy touch line TP' is electrically connected to only one touch electrode 12; In the direction perpendicular to the plane of substrate 11, any dummy touch line TP' overlaps with one of the multiple second data lines D2; In the direction perpendicular to the plane of substrate 11, slit 123 partially overlaps with one of the multiple dummy touch lines TP'.

[0044] Specifically, the array substrate 10 also includes multiple dummy touch lines TP'. The dummy touch lines TP' and the touch lines TP are located in the same film layer, that is, the dummy touch lines TP' can be made with the same material and in the same process as the touch lines TP, which helps to simplify the process and reduce production costs.

[0045] The dummy touch line TP' is electrically connected to only one touch electrode 12. That is, the dummy touch line TP' is not connected to the driver chip. The dummy touch line TP' and the touch electrode 12 connected to it are at the same potential, and it does not participate in the signal transmission of other touch electrodes 12.

[0046] In the direction perpendicular to the plane of substrate 11, any dummy touch line TP' overlaps with a portion of one of the multiple second data lines D2, meaning that a dummy touch line TP' is provided at the corresponding location of the second data line D2. Similarly, in the direction perpendicular to the plane of substrate 11, a slit 123 overlaps with a portion of one of the multiple dummy touch lines TP', meaning that a slit 123 is provided at the corresponding location of the dummy touch line TP'. Introducing dummy touch lines TP' and ensuring their one-to-one overlap with the second data lines D2 means that a dummy touch line TP' with a fixed potential exists above each second data line D2. When a slit 123 is provided on the touch electrode 12, although the obstruction of the touch electrode 12 is removed, the dummy touch line TP' located in the middle still covers the second data line D2, effectively blocking the electric field coupling of the data signal on the second data line D2 towards the pixel electrode, providing auxiliary shielding in the slit area, and mitigating the risk of crosstalk caused by the slit.

[0047] Continue to refer to Figures 7-10 In some optional embodiments, at least some of the touch electrodes 12 have a first connecting portion 122 located on both sides of the touch line TP along the first direction X and between two adjacent first sub-parts 121.

[0048] Specifically, since a slit 123 can be provided at the corresponding location of the second data line D2, removing part of the planar area of ​​the touch electrode 12 can effectively reduce the overall area of ​​the touch electrode 12, reduce the touch load, and improve touch accuracy. Correspondingly, in the touch electrode 12, each group of first sub-parts 121 located on both sides of the touch line TP and adjacent to each other along the first direction X is provided with a first connecting part 122 between them. This means that along the extension path of the same touch line TP, whenever there are pairs of adjacent first sub-parts 121 forming a first sub-part group on both sides of the touch line TP, a first connecting part 122 can be provided between adjacent first sub-parts 121 in each first sub-part group. The planar area of ​​the touch electrode 12 can be further increased, which can form a more comprehensive coverage of the metal traces such as the data line D below the area where the touch line TP is located. This effectively blocks the electric field coupling of the rapidly changing electrical signal on the data line D to the pixel electrode, as well as the secondary electric field coupling of the rapidly changing electrical signal on the data line D to the pixel electrode through the touch line TP. This reduces the display crosstalk caused by electric field disturbance and improves the display effect.

[0049] Continue to refer to Figures 1-3 In some alternative embodiments, the array substrate 10 further includes a pixel electrode PX and a common electrode COM. The pixel electrode PX is located on the side of the common electrode COM away from the substrate 11. The pixel electrode PX corresponds to the pixel region 20. In the direction perpendicular to the plane of the substrate 11, the pixel electrode PX and its corresponding pixel region 20 at least partially overlap. The common electrode COM is reused as touch electrode 12.

[0050] Specifically, the array substrate 10 also includes a pixel electrode PX, which corresponds to the pixel region 20. In the direction perpendicular to the plane of the substrate 11, the pixel electrode PX and its corresponding pixel region 20 at least partially overlap, that is, each pixel region 20 is provided with a pixel electrode PX for applying a driving voltage to control the deflection of liquid crystal molecules.

[0051] The array substrate 10 also includes a common electrode COM, and the pixel electrode PX can be located on the side of the common electrode COM away from the substrate 11. The common electrode COM is reused as a touch electrode 12. That is, the common electrode COM is designed to be time-division multiplexed in the display and touch phases. In the display phase, a common voltage is applied to the common electrode COM, forming a driving electric field with the pixel electrode PX to realize image display. In the touch phase, the common electrode COM is switched to the function of touch electrode 12, receiving or sending touch detection signals to realize touch position detection. This time-division driving mechanism allows the same transparent conductive layer to perform two roles, realizing embedded touch function without adding an additional film layer. Moreover, the common electrode COM is reused as touch electrode 12, eliminating the need for a separate touch electrode 12, which helps to reduce the thickness of the display panel.

[0052] Figure 11 yes Figure 2 The display panel is shown in a cross-sectional view along I-I'. (Continuing with reference...) Figures 1-3 and Figure 11 In some optional embodiments, the array substrate 10 further includes a plurality of first transistors T1, the drain of the first transistors T1 being electrically connected to the pixel electrode PX through a first via 51. In the touch electrode 12, a first gap 124 is provided between adjacent first sub-parts 121 along the second direction Y. In the direction perpendicular to the plane of the substrate 11, the first via 51 and the first gap 124 partially overlap.

[0053] Specifically, in this embodiment, when the display panel is displaying, the first transistor T1 acts as a switching device for the sub-pixels in the display panel, used to transmit pixel voltage signals to the pixel electrode PX in the on state. The gate of the first transistor T1 is connected to the scan line G of the display panel, and is connected to the scan driving circuit (not shown in the figure) via the scan line G. The source of the first transistor T1 is connected to the data line D, and is connected to the driving chip or flexible circuit board subsequently bonded to the display panel to provide driving signals via the data line D. The drain of the first transistor T1 is connected to the pixel electrode PX. A data voltage signal is loaded to the pixel electrode PX through the data line D, so that an electric field is formed between the pixel electrode PX and the common electrode COM to drive the liquid crystal molecules of the liquid crystal layer 40 to deflect. Thus, the deflection of the liquid crystal molecules controls whether light is emitted, thereby realizing the display effect of the display panel. It is understood that this embodiment does not elaborate on the display principle of the display panel. In specific implementation, the display principle of liquid crystal display panels in related technologies can be referred to for understanding.

[0054] Since the pixel electrode PX is located on the side of the common electrode COM away from the substrate 11, the drain of the first transistor T1 is electrically connected to the pixel electrode PX through the first via 51. In the touch electrode 12, a first gap 124 is provided between adjacent first sub-parts 121 along the second direction Y. In the direction perpendicular to the plane of the substrate 11, the first via 51 and the first gap 124 partially overlap, so the setting of the common electrode COM will not affect the first via 51, that is, the setting of the common electrode COM will not affect the electrical connection between the drain of the first transistor T1 and the pixel electrode PX.

[0055] Continue to refer to Figures 1-3 and Figure 11 In some alternative embodiments, at least two adjacent first gaps 124 along the first direction X are connected to form a first gap strip 1241, and in the direction perpendicular to the plane of the substrate 11, the first gap strip 1241 overlaps with at least one portion of a plurality of touch lines TP.

[0056] Specifically, at least two adjacent first gaps 124 along the first direction X are connected and combined, that is, multiple first gaps 124 on different data lines and / or touch line channels but on the same extension line in the first direction X are connected in series to form a continuous elongated hollow area, called a first gap strip 1241. The first gap strip 1241 corresponds to at least two different pixel columns, and the first gap strip 1241 extends along the first direction X. Since the touch line TP extends along the second direction Y, and the first gap strip 1241 extends along the first direction X, the two are spatially intersecting, that is, in the direction perpendicular to the plane of the substrate 11, the first gap strip 1241 overlaps with at least one part of multiple touch lines TP. The setting of the first gap strip 1241 can further reduce the overall area of ​​the touch electrode 12, reduce the touch load, and improve the touch accuracy.

[0057] Meanwhile, by connecting multiple small first gaps 124 into a large first gap strip 1241, the photolithographic pattern becomes simpler and more continuous, avoiding the residue or blockage problems that may occur during development and etching due to too many isolated micro-hole patterns. The larger continuous opening area is conducive to the flow of etching solution and the discharge of reaction products, improving the uniformity and yield of the patterning process of the touch electrode 12.

[0058] It should be noted that, Figure 1 The example shown in the illustration depicts that in the touch electrode 12, the first gaps 124 between two adjacent rows of first sub-parts 121 arranged along the first direction X are all connected to form a first gap strip 1241. In other embodiments of this disclosure, the first gaps 124 between two adjacent rows of first sub-parts 121 arranged along the first direction X can also be connected to form a first gap strip 1241. These can be described in detail here.

[0059] Continue to refer to Figures 1-3 and Figure 11 In some alternative embodiments, the vertical projection pattern of the first gap strip 1241 onto the plane of the substrate 11 forms a rectangular shape.

[0060] Specifically, at least two adjacent first gaps 124 along the first direction X are connected to form a first gap strip 1241, and the vertical projection pattern of the first gap strip 1241 onto the plane of the substrate 11 forms a rectangular shape. In photolithography and etching processes, rectangular patterns are among the most basic and easily precisely controlled geometric shapes, and photolithography machines have relatively mature capabilities in controlling the resolution, linewidth uniformity, and edge roughness of rectangular patterns. Designing the first gap strip 1241 as a rectangular shape simplifies the process, ensures that the actual shape of the first gap strip 1241 closely matches the design intent, and improves manufacturing precision and product yield.

[0061] Figure 12 yes Figure 1 Another enlarged schematic diagram of part A in the aforementioned display panel, see reference. Figure 1 and Figure 12 In some alternative embodiments, the first gap strip 1241 includes at least two first gaps 124 and a connecting gap 125 connecting two adjacent first gaps 124; At least a portion of the first sub-part 121 is provided with a protrusion structure 126 along at least one side of the second direction Y, and the connecting gap 125 is located between the protrusion structure 126 and the adjacent first sub-part 121.

[0062] Specifically, the first gap strip 1241 is not a simple continuous long strip of hollow space, but is composed of multiple discrete structural units. Specifically, the first gap strip 1241 includes at least two first gaps 124, which are arranged sequentially along the first direction X, with a certain interval between them. A connecting gap 125 is provided between two adjacent first gaps 124, connecting the two gaps 124 together to form a continuous hollow strip extending along the first direction X. It can be understood that the first gaps 124 correspond to the main passage area of ​​the drain via of the first transistor T1, and are relatively large; while the connecting gaps 125 are narrow connecting channels between adjacent via areas, and their width along the second direction Y can be smaller than the width of the first gaps 124 along the second direction Y. At least a portion of the first sub-part 121 has a protruding structure 126 on at least one edge along the second direction Y. The raised structure 126 is a locally conductive extension extending from the main edge of the first sub-part 121 in the second direction Y. Its shape can be rectangular, trapezoidal, or other shapes. The position of the raised structure 126 corresponds to the position of the connecting gap 125, which is located exactly between the raised structure 126 and the adjacent first sub-part 121 (i.e., the first sub-part 121 on the opposite side to which the raised structure 126 extends). By setting the raised structure 126, the planar area of ​​the touch electrode 12 can be further increased, which can form a more comprehensive coverage of the metal traces such as the data line D below or around the area where the touch line TP is located. This effectively blocks the electric field coupling of the rapidly changing electrical signal on the data line D to the pixel electrode, thereby reducing the display crosstalk phenomenon caused by electric field disturbance and improving the display effect.

[0063] It should be noted that the connecting gap 125 may also be partially located between two adjacent first connecting portions 122 arranged along the second direction Y, so that the connecting gap 125 can serve to connect two adjacent first gaps 124, making them connected as one, thereby forming a continuous hollow strip extending along the first direction X.

[0064] Figure 13 This is a plan view of yet another display panel provided in this disclosure. Figure 14 yes Figure 13 An enlarged schematic diagram of section J in the aforementioned display panel. Figure 15 yes Figure 14 The cross-sectional view of the display panel along K-K' is shown in the reference diagram. Figures 13-15 In some alternative embodiments, the array substrate further includes a pixel electrode PX and a common electrode COM. The common electrode COM is located on the side of the pixel electrode PX away from the substrate 11. The pixel electrode PX corresponds to the pixel region 20. In the direction perpendicular to the plane of the substrate 11, the pixel electrode PX and its corresponding pixel region 20 at least partially overlap. The common electrode COM is reused as touch electrode 12.

[0065] Specifically, the array substrate 10 also includes a pixel electrode PX, which corresponds to the pixel region 20. In the direction perpendicular to the plane of the substrate 11, the pixel electrode PX and its corresponding pixel region 20 at least partially overlap, that is, each pixel region 20 is provided with a pixel electrode PX for applying a driving voltage to control the deflection of liquid crystal molecules.

[0066] The array substrate 10 also includes a common electrode COM, which can be located on the side of the pixel electrode PX away from the substrate 11. The common electrode COM is reused as a touch electrode 12. That is, the common electrode COM is designed to be time-division multiplexed in the display and touch phases. In the display phase, a common voltage is applied to the common electrode COM, forming a driving electric field with the pixel electrode PX to achieve image display. In the touch phase, the common electrode COM is switched to the function of touch electrode 12, receiving or sending touch detection signals to achieve touch position detection. This time-division driving mechanism allows the same transparent conductive layer to perform two roles, achieving embedded touch functionality without the need for additional film layers. Furthermore, since the common electrode COM is reused as touch electrode 12, there is no need to set up a separate touch electrode 12, which helps to reduce the thickness of the display panel.

[0067] Continue to refer to Figures 13-15 In some optional embodiments, in at least some of the touch electrodes 12, at least one set of two adjacent first connection portions 122 along the second direction Y are connected by a second connection portion 127. The second connection portion 127 extends along the first direction X. The touch line TP electrically connected to the touch electrode TP is the first touch line TP1. In the direction perpendicular to the plane of the substrate 11, the second connection portion 127 overlaps with one part of the first touch line TP1 and the two are electrically connected. At least one set of two adjacent first sub-parts 121 along the second direction Y are provided with a first gap 124. The first gap 124 extends along the first direction X. In the direction perpendicular to the plane of the substrate 11, the first gap 124 overlaps with one part of the scan line G.

[0068] Specifically, in at least some of the touch electrodes 12, the two adjacent first sub-parts 121 along the second direction Y are not all connected or disconnected in the same way, but are differentiated according to the functional requirements of their location.

[0069] In a display panel, each touch line TP is electrically connected to a specific touch electrode 12 for transmitting touch signals from that touch electrode 12. Here, the touch line TP electrically connected to the current touch electrode 12 is defined as the first touch line TP1. In at least a portion of the touch electrodes 12, a second connection portion 127 is provided between two adjacent first connection portions 122 along the second direction Y. In a direction perpendicular to the plane of the substrate 11, the second connection portion 127 is configured to partially overlap with one of the multiple first touch lines TP1. This means that the spatial position of the second connection portion 127 exactly covers a touch line TP1 electrically connected to this touch electrode 12. The second connection portion 127 not only serves as a bridging structure between adjacent first connection portions 122, but also overlaps with the signal traces of the touch electrode 12 itself in a direction perpendicular to the plane of the substrate 11. When the second connecting portion 127 overlaps with the first touch line TP1 in a direction perpendicular to the plane of the substrate 11, a direct electrical connection between the touch electrode 12 and the first touch line TP1 can be achieved by opening a via in the overlapping area. The elongated design of the second connecting portion 127 extending along the first direction X provides ample space for opening vias, facilitating the arrangement of one or more connection vias on the bridging structure, reducing contact resistance, and improving the stability and reliability of touch signal transmission. At the same time, the provision of the second connecting portion 127 can further increase the planar area of ​​the touch electrode 12, providing effective electric field shielding for the first touch line TP1 and its surrounding area. It can form a more comprehensive coverage of the metal traces such as the data line D below or around the area where the first touch line TP1 is located, effectively blocking the electric field coupling of the rapidly changing electrical signal on the data line D to the pixel electrode, thereby reducing the display crosstalk phenomenon caused by electric field disturbance and improving the display effect.

[0070] In at least a portion of the touch electrodes 12, a first gap 124 is provided between at least one set of two adjacent first sub-parts 121 along the second direction Y, and the first gap 124 extends along the first direction X. The first gap 124 is a hollow structure formed by removing conductive material from the area, and its overall shape extends along the first direction X. In the direction perpendicular to the plane of the substrate 11, the first gap 124 overlaps with one portion of the scan line G, that is, the first gap 124 can be provided in the area corresponding to the scan line G. Each scan line G is usually at a low level or in a holding voltage state during non-gating periods, and its signal change frequency is relatively low, so the risk of electric field disturbance to the pixel electrode is relatively small. Therefore, the first gap 124 can be provided in the area corresponding to the scan line G, which has a small impact on display crosstalk, and can effectively reduce the overall area of ​​the touch electrode 12, reduce the touch load, and improve touch accuracy.

[0071] It should be noted that, Figure 13 and Figure 14 The illustration only shows, by way of example, that in the direction perpendicular to the plane of the substrate 11, the second connecting portion 127 overlaps only with one data line D and one first touch line TP1. In other embodiments of this disclosure, the second connecting portion 127 can also be set to other lengths along the first direction X according to actual needs. That is, the second connecting portion 127 not only connects between two adjacent first connecting portions 122 along the second direction Y, but also connects between two adjacent first sub-portions 121 along the second direction Y. Thus, the length of the second connecting portion 127 along the first direction X increases, and in the direction perpendicular to the plane of the substrate 11, the second connecting portion 127 can overlap with a greater number of data lines D, as long as it meets the requirement that in the direction perpendicular to the plane of the substrate 11, the second connecting portion 127 overlaps with only one portion of the first touch line TP1. For example, refer to Figure 16 , Figure 16 This is a planar schematic diagram of another display panel provided in this disclosure. In the direction perpendicular to the plane where the substrate 11 is located, the second connecting portion 127 overlaps with the three data lines D. This disclosure will not elaborate on them here.

[0072] Figure 17 This is a plan view of yet another display panel provided in this disclosure, for reference. Figure 17 In some alternative embodiments, at least some of the touch electrodes 12, at least one set of two adjacent first sub-parts 121 along the second direction Y are connected by a third connecting part 128, and in the direction perpendicular to the plane of the substrate 11, the third connecting part 128 does not overlap with any of the multiple touch lines TP.

[0073] Specifically, in at least a portion of the touch electrodes 12, at least one set of two adjacent first sub-parts 121 along the second direction Y are connected by a third connecting portion 128. The third connecting portion 128 is a solid conductive bridge structure connecting two adjacent first sub-parts 121 along the second direction Y, used to ensure local electrical connectivity of the touch electrodes 12 in the second direction Y. To reduce touch load, a first gap 124 is provided between some adjacent first sub-parts 121 along the second direction Y. If gaps are provided in all areas not corresponding to the first touch line TP1, although the load is minimized, electrode connectivity may be excessively interrupted, affecting the transmission efficiency of the touch signal. By providing an appropriate amount of bridging in areas that do not overlap with the touch line TP through the third connecting portion 128, a better balance can be achieved between load reduction and connectivity maintenance.

[0074] In the direction perpendicular to the plane of the substrate 11, the third connection portion 128 does not overlap with any of the multiple touch lines TP. That is, the vertical projection of the third connection portion 128 completely avoids the areas where all touch lines TP are located. The position of the third connection portion 128 in the first direction X is selected in the gap region between two adjacent touch lines TP, ensuring complete spatial isolation between it and the touch lines TP. In other words, no additional parasitic capacitance is introduced between the third connection portion 128 and the touch lines TP, and signal noise on the touch lines TP is not directly coupled to the area of ​​the first sub-part 121 connected to the third connection portion 128, which helps maintain the quality and consistency of the touch signal.

[0075] Figure 18 This is a plan view of yet another display panel provided in this disclosure. Figure 19 yes Figure 18 An enlarged schematic diagram of section M in the aforementioned display panel, for reference. Figure 18 and Figure 19Optionally, the array substrate 10 further includes a plurality of first transistors T1, the drain of which is electrically connected to the pixel electrode PX via a first via. In this embodiment, when the display panel is in operation, the first transistors T1 act as switching devices for sub-pixels in the display panel, transmitting pixel voltage signals to the pixel electrode PX in the on state. The gate of the first transistor T1 is connected to the scan line G of the display panel, and is connected to the scan driving circuit (not shown in the figure) via the scan line G. The source of the first transistor T1 is connected to the data line D, and is connected to the driving chip or flexible circuit board subsequently bonded to the display panel to provide driving signals via the data line D. The drain of the first transistor T1 is connected to the pixel electrode PX, and a data voltage signal is loaded to the pixel electrode PX via the data line D, forming an electric field between the pixel electrode PX and the common electrode COM to drive the liquid crystal molecules of the liquid crystal layer 40 to deflect. This deflection of the liquid crystal molecules controls whether light is emitted, thereby achieving the display effect of the display panel. It is understood that this embodiment does not elaborate on the display principle of the display panel; for specific implementation, the display principle of liquid crystal display panels in related technologies can be referred to for understanding.

[0076] In the direction perpendicular to the plane of substrate 11, the third connection portion 128 does not overlap with the first transistor T1 at least partially. This reduces the overlap area between the vertical projection of the touch electrode 12 onto substrate 11 and the vertical projection of the first transistor T1 onto substrate 11, thereby reducing the parasitic capacitance value, which is beneficial for improving pixel charging efficiency and voltage retention characteristics, and improving display quality.

[0077] Optionally, the portion of the second connection portion 127 in the touch electrode 12 corresponding to the first transistor T1 can be configured as a circular or elliptical shape, thereby further reducing the overlap area between the vertical projection of the touch electrode 12 on the substrate 11 and the vertical projection of the first transistor T1 on the substrate 11.

[0078] Continue to refer to Figure 18 and Figure 19 In some alternative embodiments, at least some of the touch electrodes 12 are truncated to each other between at least one set of two adjacent first sub-parts 121 along the first direction X.

[0079] Specifically, in at least a portion of the touch electrodes 12, at least one set of two adjacent first sub-parts 121 along the first direction X are cut off from each other. The two first sub-parts 121 are cut off at the cut-off point 61. The cut-off point 61 can be disposed at the corresponding location of some devices in the array substrate 10. For example, in the direction perpendicular to the plane of the substrate 11, the cut-off point 61 at least partially overlaps with the first transistor T1, thereby further reducing the overlap area of ​​the vertical projection of the touch electrode 12 on the substrate 11 and the vertical projection of the first transistor T1 on the substrate 11, thereby reducing the parasitic capacitance value, which is beneficial to improving pixel charging efficiency and voltage retention characteristics, and improving display quality.

[0080] It should be noted that, in at least a portion of the touch electrodes 12, at least one set of two adjacent first sub-parts 121 along the first direction X are mutually truncated. This truncation refers to the adjacent relationship along the first direction X. Within the same touch electrode 12, although the two truncated first sub-parts 121 are insulated from each other along the first direction X, they may still maintain electrical connection through other paths. For example, they may be connected to other first sub-parts 121 along the second direction Y via a second connecting portion 127 or a third connecting portion 128, thereby achieving overall connectivity within the same touch electrode block through a circuitous path. In other words, the truncation is a break in the local adjacent relationship, rather than splitting the touch electrode 12 into two independent electrodes.

[0081] Continue to refer to Figure 18 and Figure 19 In some optional embodiments, in the same touch electrode 12, among two first sub-parts 121 that are adjacent and cut off from each other along the first direction X, one of the first sub-parts 121 is a connecting sub-part 1211. The connecting sub-part 1211 is connected to the first connecting part 122. In the direction perpendicular to the plane of the substrate 11, the first connecting part 122 overlaps with one of the multiple touch lines TP and the two are electrically connected.

[0082] Specifically, in at least some of the touch electrodes 12, at least one set of two adjacent first sub-parts 121 along the first direction X are mutually truncated. The truncation point can be located at the corresponding location of some devices in the array substrate 10, thereby reducing the overlap area between the vertical projection of the touch electrode 12 on the substrate 11 and the vertical projection of the corresponding device on the substrate 11, thus reducing the parasitic capacitance value. Among the two adjacent and mutually truncated first sub-parts 121 along the first direction X in the same touch electrode 12, one of the first sub-parts 121 is a connecting sub-part 1211, which is connected to a first connecting part 122. In the direction perpendicular to the plane of the substrate 11, the first connecting part 122 overlaps with one of the multiple touch lines TP. On the side where the connecting sub-part 1211 is located, a first connecting part 122 is connected. The first connecting part 122 can effectively shield the data line D on that side, effectively blocking the electric field coupling of the rapidly changing electrical signal on the data line D to the pixel electrode, thereby reducing the display crosstalk phenomenon caused by electric field disturbance and improving the display effect.

[0083] Simultaneously, the connecting sub-part 1211 is connected to the first connecting part 122. In the direction perpendicular to the plane of the substrate 11, the first connecting part 122 overlaps with one portion of the multiple touch lines TP, and the two are electrically connected. That is, for the touch electrode 12, at least one set of two adjacent first sub-parts 121 along the first direction X are designed to be mutually cut off. The cut-off point can be set at the connection between the touch electrode 12 and the touch line TP, that is, the first sub-part 121 corresponding to the connection between the touch electrode 12 and the touch line TP and the first sub-part 121 adjacent to it along the first direction X are cut off. Because the connection between the touch electrode 12 and the touch line TP needs to be provided with a connecting component, for example, a via, etc., the internal electrode shape, area and peripheral gap of the first sub-part 121 connected to the connecting component will objectively be different from the ordinary first sub-part 121 in the non-connecting component area. By cutting off the first sub-part 121 corresponding to the connection point of the touch electrode 12 and the touch line TP and the first sub-part 121 adjacent to it along the first direction X, the cut-off can be made at the connection sub-part 1211 that is not consistent in the first direction X. This avoids causing more differences in the design between the first sub-parts 121 and ensures the uniformity of the overall macro display of the panel to the greatest extent.

[0084] Figure 20 This is a plan view of yet another display panel provided in this disclosure. Figure 21 yes Figure 20 An enlarged schematic diagram of N parts in the aforementioned display panel. Figure 22 yes Figure 21 The cross-sectional view of the display panel along Q-Q' is shown in the reference diagram. Figures 20-22In some optional embodiments, the display panel further includes a color filter substrate 30, which is disposed opposite to the array substrate 10. The color filter substrate 30 includes a light-shielding structure 31, which includes an opening 311 corresponding to the pixel electrode PX. In the direction perpendicular to the plane of the substrate 11, the opening 311 and the corresponding pixel electrode PX partially overlap. The first sub-part 121 includes at least one slit 1212 extending along the second direction Y. In the direction perpendicular to the plane of the substrate 11, the slit 1212 and its corresponding pixel electrode PX portion overlap. In at least a portion of the touch electrodes 12, in the direction perpendicular to the plane of the substrate 11, at least one of the slits 1212 in the first sub-part 121 partially overlaps with the light-shielding structure 31, and along the second direction Y, each slit 1212 in the first sub-part 121 and each slit 1212 in the adjacent first sub-part 121 are connected in a one-to-one correspondence.

[0085] Specifically, the display panel includes an array substrate 10 and a color filter substrate 30 arranged opposite to each other. A light-shielding structure 31 is provided on the color filter substrate 30. This light-shielding structure 31 is typically a black matrix, used to block stray light from non-opening areas and separate pixels to prevent color mixing. The light-shielding structure 31 has openings 311, the positions of which correspond one-to-one with the pixel electrodes PX. In the direction perpendicular to the plane of the substrate 11, the openings 311 at least partially overlap with the corresponding pixel electrodes PX. This means that the effective light-transmitting area of ​​the display panel falls exactly within the range of the openings 311, i.e., the openings 311 define the actual display window of each pixel.

[0086] In the array substrate 10, in the common electrode COM that is reused as the touch electrode 12, each first sub-part 121 is not a complete solid block, but includes at least one slit 1212 extending along the second direction Y. The slit 1212 is a thin, elongated hollow strip formed by etching away the conductive material in that area, and its extension direction can be consistent with the direction of the data line D and the touch line TP. In the direction perpendicular to the substrate 11, the slit 1212 partially overlaps with the corresponding pixel electrode PX, that is, the slit 1212 is at least provided in the area corresponding to the pixel electrode PX.

[0087] In at least some of the touch electrodes 12, for at least one first sub-part 121, the internal slits 1212 partially overlap with the light-shielding structure 31 in the vertical direction. That is, the slits 1212 do not fall entirely within the opening 311, but extend to the corresponding area of ​​the light-shielding structure 31. Simultaneously, along the second direction Y, each slit 1212 in the first sub-part 121 is connected in a one-to-one correspondence with each slit 1212 in adjacent first sub-parts 121. Specifically, the internal slits 1212 of two adjacent first sub-parts 121 along the second direction Y are aligned and connected in the second direction Y, forming a continuous slit channel penetrating multiple first sub-parts 121. This effectively reduces the overall area of ​​the touch electrode 12, lowers the touch load, and improves touch accuracy.

[0088] It should be noted that, Figure 20 The example shows that in the touch electrode 12, along the second direction Y, each slit 1212 in each first sub-part 121 is connected to each slit 1212 in the adjacent first sub-part 121 in a one-to-one correspondence, that is, the slit 1212 extends through each first sub-part 121. In other embodiments of this disclosure, it can also be configured that in the touch electrode 12, along the second direction Y, only a portion of the slits 1212 in the first sub-part 121 are connected to each slit 1212 in the adjacent first sub-part 121 in a one-to-one correspondence. This disclosure will not elaborate further here.

[0089] like Figure 23 As shown, Figure 23 This is a plan view of a display device provided in this disclosure. The present disclosure also provides a display device 1000, including the display module 100 provided in any of the above embodiments. Figure 23 The provided embodiments use mobile phones as an example to illustrate the display device. It is understood that the display device provided in the embodiments of this disclosure can be any electronic product with display function, including but not limited to the following categories: mobile phones, televisions, laptops, desktop monitors, tablets, digital cameras, smart bracelets, smart glasses, in-vehicle displays, medical devices, industrial control equipment, touch interactive terminals, etc. The embodiments of this disclosure do not make any special limitations on this.

[0090] The display device 1000 provided in this embodiment has the same technical features as the display module 100 provided in the above embodiment, so it can also solve the same technical problems and achieve the same technical effects.

[0091] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0092] The above description is merely a specific embodiment of this disclosure, enabling those skilled in the art to understand or implement it. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this disclosure. Therefore, this disclosure is not to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A display panel, characterized in that, include: Array substrate, the array substrate comprising: Substrate; The substrate has multiple scan lines, multiple data lines, and multiple touch lines located on one side. The multiple scan lines extend along a first direction and are arranged along a second direction. The multiple data lines extend along the second direction and are arranged along the first direction. The multiple touch lines extend along the second direction and are arranged along the first direction. The multiple scan lines and the multiple data lines intersect in an insulating manner to define multiple pixel regions, wherein the first direction and the second direction intersect. A plurality of touch electrodes are located on one side of the substrate, and the touch electrodes are electrically connected to the touch lines. Each touch electrode includes a plurality of connected first sub-parts, each first sub-part corresponding to a pixel region. In a direction perpendicular to the plane of the substrate, the first sub-parts and their corresponding pixel regions at least partially overlap. In at least a portion of the touch electrodes, a first connection portion is provided between at least one set of two adjacent first sub-parts along the first direction, the first connection portion extends along the second direction, and in a direction perpendicular to the plane of the substrate, the first connection portion overlaps with one portion of one of the plurality of touch lines; The length of the first connecting portion along the second direction is L1, and the length of the pixel region along the second direction is L2, wherein L1 ≥ 0.8 × L2.

2. The display panel according to claim 1, characterized in that, In the same touch electrode, at least one set of two adjacent first sub-parts along the first direction are provided with a first connecting portion, and at least one set of two adjacent first sub-parts along the first direction are provided with a slit, the slit extending along the second direction.

3. The display panel according to claim 1, characterized in that, In at least a portion of the touch electrodes, at least one set of two adjacent first sub-parts along the first direction are provided with a first connecting portion, and the touch line electrically connected to the touch electrode is a first touch line. In the direction perpendicular to the plane of the substrate, the first connecting portion overlaps with one portion of the first touch line.

4. The display panel according to claim 1, characterized in that, In at least a portion of the touch electrodes, at least one set of two adjacent first sub-parts along the first direction are provided with a first connecting portion, and the touch line that is insulated from the touch electrode is a second touch line. In the direction perpendicular to the plane of the substrate, the first connecting portion overlaps with one portion of the second touch line.

5. The display panel according to claim 2, characterized in that, The data line and the touch line are located in the same film layer; In at least a portion of the touch electrodes, at least one set of two adjacent first sub-parts along the first direction are provided with the slit, and in a direction perpendicular to the plane of the substrate, the slit overlaps with a portion of one of the plurality of touch lines.

6. The display panel according to claim 5, characterized in that, In the direction perpendicular to the plane of the substrate, the slit does not overlap with any of the multiple data lines.

7. The display panel according to claim 2, characterized in that, The multiple data lines include multiple first data lines and multiple second data lines; The touch line is located on the side of the data line away from the substrate. In the direction perpendicular to the plane of the substrate, the touch line corresponds one-to-one with the first data line and partially overlaps with it. The touch line does not overlap with any of the multiple second data lines. In at least a portion of the touch electrodes, at least one set of two adjacent first sub-parts along the first direction are provided with the slit, and in a direction perpendicular to the plane of the substrate, the slit overlaps with a portion of one of the plurality of second data lines.

8. The display panel according to claim 7, characterized in that, The array substrate also includes multiple dummy touch lines, which are located on the same film layer as the touch lines. Each dummy touch line is electrically connected to only one touch electrode. In a direction perpendicular to the plane of the substrate, any one of the dummy touch lines overlaps with a portion of one of the plurality of second data lines; In a direction perpendicular to the plane of the substrate, the slit overlaps with a portion of one of the plurality of dummy touch lines.

9. The display panel according to claim 7, characterized in that, In at least a portion of the touch electrodes, the first connecting portion is provided on both sides of the touch line along the first direction and between two adjacent first sub-parts.

10. The display panel according to claim 1, characterized in that, It also includes a pixel electrode and a common electrode, wherein the pixel electrode is located on the side of the common electrode away from the substrate, the pixel electrode corresponds to the pixel region, and in a direction perpendicular to the plane of the substrate, the pixel electrode and the corresponding pixel region at least partially overlap. The common electrode is reused as the touch electrode.

11. The display panel according to claim 10, characterized in that, The array substrate further includes a plurality of first transistors, the drains of the first transistors being electrically connected to the corresponding pixel electrodes through first vias; In the touch electrode, a first gap is provided between adjacent first sub-parts along the second direction, and in the direction perpendicular to the plane of the substrate, the first via overlaps with the first gap.

12. The display panel according to claim 11, characterized in that, At least two adjacent first gaps along the first direction are connected to form a first gap strip, and in a direction perpendicular to the plane of the substrate, the first gap strip overlaps with at least one portion of the plurality of touch lines.

13. The display panel according to claim 12, characterized in that, The vertical projection pattern of the first gap strip on the plane of the substrate forms a rectangular shape.

14. The display panel according to claim 12, characterized in that, The first gap strip includes at least two first gaps and a connecting gap between two adjacent first gaps; At least a portion of the first sub-part has a protruding structure on at least one side along the second direction, and the connecting gap is located between the protruding structure and the adjacent first sub-part.

15. The display panel according to claim 1, characterized in that, It also includes a pixel electrode and a common electrode, the common electrode being located on the side of the pixel electrode away from the substrate, the pixel electrode corresponding to the pixel region, and the pixel electrode and the corresponding pixel region at least partially overlapping in a direction perpendicular to the plane of the substrate; The common electrode is reused as the touch electrode.

16. The display panel according to claim 15, characterized in that, In at least a portion of the touch electrodes, at least one set of two adjacent first connection portions along the second direction are connected by a second connection portion, the second connection portion extends along the first direction, and the touch line electrically connected to the touch electrode is a first touch line. In the direction perpendicular to the plane of the substrate, the second connection portion overlaps with one portion of the first touch line, and the two are electrically connected. At least one set of two adjacent first sub-parts along the second direction are provided with a first gap, the first gap extending along the second direction, and in a direction perpendicular to the plane of the substrate, the first gap overlaps with one portion of the scan line.

17. The display panel according to claim 15, characterized in that, In at least some of the touch electrodes, at least one set of two adjacent first sub-parts along the second direction are connected by a third connecting part, and in the direction perpendicular to the plane of the substrate, the third connecting part does not overlap with any of the plurality of touch lines.

18. The display panel according to claim 15, characterized in that, In at least a portion of the touch electrodes, at least one set of two adjacent first sub-parts along the first direction are truncated to each other.

19. The display panel according to claim 18, characterized in that, In the same touch electrode, among the two first sub-parts that are adjacent and truncated along the first direction, one of the first sub-parts is a connecting sub-part, which is connected to the first connecting part. In the direction perpendicular to the plane of the substrate, the first connecting part overlaps with one part of the plurality of touch lines, and the two are electrically connected.

20. The display panel according to claim 15, characterized in that, It also includes a color filter substrate, which is disposed opposite to the array substrate. The color filter substrate includes a light-shielding structure, which includes an opening corresponding to the pixel electrode. In a direction perpendicular to the plane of the substrate, the opening and the corresponding pixel electrode portion overlap. The first sub-part includes at least one slit extending along the second direction, and the slit and the corresponding pixel electrode portion overlap in a direction perpendicular to the plane of the substrate; In at least a portion of the touch electrodes, in a direction perpendicular to the plane of the substrate, at least one of the slits in the first sub-part overlaps with the light-shielding structure portion, and along the second direction, each of the slits in the first sub-part and each of the slits in the adjacent first sub-part are connected in a one-to-one correspondence.

21. A display device, characterized in that, The display device includes the display panel as described in any one of claims 1-20.

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